Association of Play Industries
Association of Play Industries representing over 85% of the UK play industry
http://www.playindustries.org/

Play Signals as Punctuation: The Structure of Social Play in Canids
Paper by Marc Bekoff discussing the use by animals of specific signals primarily to initiate or maintain social play.
http://cogprints.org/158/00/199709003.html

Little Tikes Commercial Play Systems Inc.
Little Tikes Commercial Play Systems Inc. manufactures commercial playground equipment, play systems, play structures and contained play products designed to challenge, stimulate creativity and promote safe play for children.
http://www.ltcps.com/

Family Enhancement & Play Therapy Center
Offers professional training and case consultation in play, filial, and family therapy. Includes information on continuing education, certifications, and play therapy ideas.
http://www.play-therapy.com/

VidLizard
VidLizard multimedia player now can play DVD and has an easy-to-use interface with an optional control panel and positioning bar available during full-screen play.
http://www.vidlizard.com

All Kids Play
safe customizable playground equipment design and installation. soft structure play units for commercial locations. certified playground safety inspectors.
http://allkidsplay.com/

Press Play on Tape
PRESS PLAY ON TAPE is a band playing Commodore 64 game tunes live
http://www.pressplayontape.com/

GameTime
GameTime - The leading commercial playground equipment manufacturer of playgrounds, swings, slides and sports products for parks, schools, and childcare.
http://www.gametime.com/

Press Play on Tape
PRESS PLAY ON TAPE is a band playing Commodore 64 game tunes live
http://www.pressplayontape.com/

UPnP - Universal Plug and Play Forum
The Universal Plug and Play Forum, an industry group of companies working to enable device-to-device interoperability by promoting Universal Plug and Play protocols and cooperatively developing and contributing XML schemas for device description, naming and HTML-based control.
http://www.upnp.org/